| --- |
| language: |
| - en |
| task_categories: |
| - token-classification |
|
|
| --- |
| # AutoTrain Dataset for project: auto2 |
|
|
| ## Dataset Description |
|
|
| This dataset has been automatically processed by AutoTrain for project auto2. |
|
|
| ### Languages |
|
|
| The BCP-47 code for the dataset's language is en. |
|
|
| ## Dataset Structure |
|
|
| ### Data Instances |
|
|
| A sample from this dataset looks as follows: |
|
|
| ```json |
| [ |
| { |
| "tokens": [ |
| "Pd", |
| "has", |
| "been", |
| "regarded", |
| "as", |
| "one", |
| "of", |
| "the", |
| "alternatives", |
| "to", |
| "Pt", |
| "as", |
| "a", |
| "promising", |
| "hydrogen", |
| "evolution", |
| "reaction", |
| "(HER)", |
| "catalyst.", |
| "Strategies", |
| "including", |
| "Pd-metal", |
| "alloys", |
| "(Pd-M)", |
| "and", |
| "Pd", |
| "hydrides", |
| "(PdH<sub><i>x</i></sub>)", |
| "have", |
| "been", |
| "proposed", |
| "to", |
| "boost", |
| "HER", |
| "performances.", |
| "However,", |
| "the", |
| "stability", |
| "issues,", |
| "e.g.,", |
| "the", |
| "dissolution", |
| "in", |
| "Pd-M", |
| "and", |
| "the", |
| "hydrogen", |
| "releasing", |
| "in", |
| "PdH<sub><i>x</i></sub>,", |
| "restrict", |
| "the", |
| "industrial", |
| "application", |
| "of", |
| "Pd-based", |
| "HER", |
| "catalysts.", |
| "We", |
| "here", |
| "design", |
| "and", |
| "synthesize", |
| "a", |
| "stable", |
| "Pd-Cu", |
| "hydride", |
| "(", |
| "PdCu<sub>0.2</sub>H<sub>0.43</sub>", |
| ")", |
| "catalyst,", |
| "combining", |
| "the", |
| "advantages", |
| "of", |
| "both", |
| "Pd-M", |
| "and", |
| "PdH<sub><i>x</i></sub>", |
| "structures", |
| "and", |
| "improving", |
| "the", |
| "HER", |
| "durability", |
| "simultaneously.", |
| "The", |
| "hydrogen", |
| "intercalation", |
| "is", |
| "realized", |
| "under", |
| "atmospheric", |
| "pressure", |
| "(1.0", |
| "atm)", |
| "following", |
| "our", |
| "synthetic", |
| "approach", |
| "that", |
| "imparts", |
| "high", |
| "stability", |
| "to", |
| "the", |
| "Pd-Cu", |
| "hydride", |
| "structure.", |
| "The", |
| "obtained", |
| "PdCu<sub>0.2</sub>H<sub>0.43</sub>", |
| "catalyst", |
| "exhibits", |
| "a", |
| "small", |
| "overpotential", |
| "of", |
| "28", |
| "mV", |
| "at", |
| "10", |
| "mA/cm<sup>2</sup>", |
| ",", |
| "a", |
| "low", |
| "Tafel", |
| "slope", |
| "of", |
| "23", |
| "mV/dec", |
| ",", |
| "and", |
| "excellent", |
| "HER", |
| "durability", |
| "due", |
| "to", |
| "its", |
| "appropriate", |
| "hydrogen", |
| "adsorption", |
| "free", |
| "energy", |
| "and", |
| "alleviated", |
| "metal", |
| "dissolution", |
| "rate.", |
| "</p>", |
| "<p>" |
| ], |
| "tags": [ |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 0, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 0, |
| 2, |
| 2, |
| 2, |
| 2, |
| 4, |
| 2, |
| 5, |
| 5, |
| 2, |
| 5, |
| 5, |
| 2, |
| 2, |
| 2, |
| 4, |
| 2, |
| 2, |
| 5, |
| 5, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2 |
| ] |
| }, |
| { |
| "tokens": [ |
| "A", |
| "critical", |
| "challenge", |
| "in", |
| "energy", |
| "research", |
| "is", |
| "the", |
| "development", |
| "of", |
| "earth", |
| "abundant", |
| "and", |
| "cost-effective", |
| "materials", |
| "that", |
| "catalyze", |
| "the", |
| "electrochemical", |
| "splitting", |
| "of", |
| "water", |
| "into", |
| "hydrogen", |
| "and", |
| "oxygen", |
| "at", |
| "high", |
| "rates", |
| "and", |
| "low", |
| "overpotentials.", |
| "Key", |
| "to", |
| "addressing", |
| "this", |
| "issue", |
| "lies", |
| "not", |
| "only", |
| "in", |
| "the", |
| "synthesis", |
| "of", |
| "new", |
| "materials,", |
| "but", |
| "also", |
| "in", |
| "the", |
| "elucidation", |
| "of", |
| "their", |
| "active", |
| "sites,", |
| "their", |
| "structure", |
| "under", |
| "operating", |
| "conditions", |
| "and", |
| "ultimately,", |
| "extraction", |
| "of", |
| "the", |
| "structure-function", |
| "relationships", |
| "used", |
| "to", |
| "spearhead", |
| "the", |
| "next", |
| "generation", |
| "of", |
| "catalyst", |
| "development.", |
| "In", |
| "this", |
| "work,", |
| "we", |
| "present", |
| "a", |
| "complete", |
| "cycle", |
| "of", |
| "synthesis,", |
| "operando", |
| "characterization,", |
| "and", |
| "redesign", |
| "of", |
| "an", |
| "amorphous", |
| "cobalt", |
| "phosphide", |
| "(", |
| "CoP", |
| "<sub><i>x</i></sub>", |
| ")", |
| "bifunctional", |
| "catalyst.", |
| "The", |
| "research", |
| "was", |
| "driven", |
| "by", |
| "integrated", |
| "electrochemical", |
| "analysis,", |
| "Raman", |
| "spectroscopy", |
| "and", |
| "gravimetric", |
| "measurements", |
| "utilizing", |
| "a", |
| "novel", |
| "quartz", |
| "crystal", |
| "microbalance", |
| "spectroelectrochemical", |
| "cell", |
| "to", |
| "uncover", |
| "the", |
| "catalytically", |
| "active", |
| "species", |
| "of", |
| "amorphous", |
| "CoP", |
| "<sub><i>x</i></sub>", |
| "and", |
| "subsequently", |
| "modify", |
| "the", |
| "material", |
| "to", |
| "enhance", |
| "the", |
| "activity", |
| "of", |
| "the", |
| "elucidated", |
| "catalytic", |
| "phases.", |
| "Illustrating", |
| "the", |
| "power", |
| "of", |
| "our", |
| "approach,", |
| "the", |
| "second", |
| "generation", |
| "cobalt-iron", |
| "phosphide", |
| "(", |
| "CoFeP<sub>x</sub>", |
| ")", |
| "catalyst,", |
| "developed", |
| "through", |
| "an", |
| "iteration", |
| "of", |
| "the", |
| "operando", |
| "measurement", |
| "directed", |
| "optimization", |
| "cycle,", |
| "is", |
| "superior", |
| "in", |
| "both", |
| "hydrogen", |
| "and", |
| "oxygen", |
| "evolution", |
| "reactivity", |
| "over", |
| "the", |
| "previous", |
| "material", |
| "and", |
| "is", |
| "capable", |
| "of", |
| "overall", |
| "water", |
| "electrolysis", |
| "at", |
| "a", |
| "current", |
| "density", |
| "of", |
| "10", |
| "mA", |
| "cm<sup>-2</sup>", |
| "with", |
| "1.5", |
| "V", |
| "applied", |
| "bias", |
| "in", |
| "1", |
| "M", |
| "KOH", |
| "electrolyte", |
| "solution.", |
| "</p>", |
| "<p>" |
| ], |
| "tags": [ |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 0, |
| 0, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 0, |
| 0, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 0, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 4, |
| 4, |
| 2, |
| 5, |
| 5, |
| 5, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2, |
| 2 |
| ] |
| } |
| ] |
| ``` |
|
|
| ### Dataset Fields |
|
|
| The dataset has the following fields (also called "features"): |
|
|
| ```json |
| { |
| "tokens": "Sequence(feature=Value(dtype='string', id=None), length=-1, id=None)", |
| "tags": "Sequence(feature=ClassLabel(names=['CATALYST', 'CO-CATALYST', 'O', 'Other', 'PROPERTY_NAME', 'PROPERTY_VALUE'], id=None), length=-1, id=None)" |
| } |
| ``` |
|
|
| ### Dataset Splits |
|
|
| This dataset is split into a train and validation split. The split sizes are as follow: |
|
|
| | Split name | Num samples | |
| | ------------ | ------------------- | |
| | train | 166 | |
| | valid | 44 | |
|
|